21904624

素因数分解:

$2^4\times 7^1\times {\mathrm{257}}^1\times {\mathrm{761}}^1$

素因数の和:1033

約数の個数: 40

約数和(自身を含む): 48755808

約数和(自身を除く): 26851184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 257, 514, 761, 1028, 1522, 1799, 2056, 3044, 3598, 4112, 5327, 6088, 7196, 10654, 12176, 14392, 21308, 28784, 42616, 85232, 195577, 391154, 782308, 1369039, 1564616, 2738078, 3129232, 5476156, 10952312, 21904624]

約数ペア:

[(1, 21904624), (2, 10952312), (4, 5476156), (7, 3129232), (8, 2738078), (14, 1564616), (16, 1369039), (28, 782308), (56, 391154), (112, 195577), (257, 85232), (514, 42616), (761, 28784), (1028, 21308), (1522, 14392), (1799, 12176), (2056, 10654), (3044, 7196), (3598, 6088), (4112, 5327)]